Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–10 of 10 inventors

Rank Inventor Primary Company Patents
1 Tomihisa Kato Asahi Intecc Co. 21
1 Taneichi Kawai Aisin Seiki Kabushiki Kaisha 21
3 Tomio Oguma Aisin Seiki Kabushiki Kaisha 20
#4 Hideo Masumori Ngk Insulators 17
#5 Yuzuru Sugiura Aisin Seiki Kabushiki Kaisha 16
#6 Kouji Ohbayashi Aisin Aw Co. 10
#7 Kenichi Toda J.S.T. Mfg. Co. 8
#8 Masaki Sakuragi Makita 6
#9 Toshiyasu Funato Inoac 4
#10 Naoshi Fujita Inoac 3